Its fear-splitting screech reverberates throughout space and time. Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest ...

When the Aztecs dominated central Mexico, a blood-curdling sound like a human scream played through a small whistle. Luis Aceves via Unsplash In cultures around the world, instruments have brought ...

A small contingent of chunky, dove-like birds cautiously patter around a clearing in a park in suburban Sydney. Suddenly, a feral cat pounces out from some nearby brush, narrowly missing a flock ...

Raccoons are capable of making all sorts of noises. These masked bandits can squeal, churr, bark, and the list goes on! Some of their sounds are tonal, like their famous nightly whistle. While other ...